package com.cet.algorithm.test.二叉树;

public class TreeNode {
    public int val;
  	public TreeNode left;
  	public TreeNode right;
  	TreeNode() {}
  	public TreeNode(int val) { this.val = val; }
  	public TreeNode(int val, TreeNode left, TreeNode right) {
    		this.val = val;
    		this.left = left;
    		this.right = right;
  	}
}
